Function group
RELAYS
RELAY 1
FUNCTION
Selection of the relay function. The setting “FAILURE” can only be assigned to
relay 1, not to relay 2!.
Notes!
• Note page 60 and 61 for the switching response of relay 1.
• For safety reasons we recommend configuring relay 1 as the alarm output
and to define the failsafe mode of the outputs (see pages 51 and 57).
• As standard the normally open contact of relay 1 is brought out. However,
the normally closed contact is also available by plugging a jumper on the
communications board (see Figure below).
6
FAILURE
Indicating system errors
(list of error messages → see page 90)
EPD * Empty pipe detection (indicating an empty or
partly filled measuring tube)
ERROR + EPD * Indicating system errors or an empty/partly
filled measuring tube
DUAL RANGE MODE * Indicating active full scale value (1 or 2)
BATCH PRECONTACT * Indicating reached prebatch quantity
FLOW DIRECTION Indicating direction of flow (forward/reverse).
On unidirectional measurement, relay 1 also
switches in the negative flow direction.
LIMIT FLOWRATE 1 Indicating if preset limit value is outside range
or
Indicating an overflow (v ≥ 12,5 m/s).
* These parameters only appear on the display if the appropriate
function has already been activated.
1
2
Configuring of relay contacts (Relay 1 / 2)
Factory setting relay 1 → NO contact
Factory setting relay 2 → NC contact
Jumper (J)
Warning!
Danger from electrical shock!
Switch off power supply before
unscrewing the cover from the
transmitter housing.
ba009y68
Note!
NC contact
brought out
NO contact
brought out
1
2
1
2
J
J
ba009y81...82
Warning!
6 Description of Functions Promag 33
58 Endress+Hauser
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